In the typical population densities of urban slums, a sludge volume of between 5,000 and 10,000 cubic metres is produced every year per square kilometre of inhabited land. This overflows – or is deliberately caused to overflow – from full pit latrines. it contaminates soil, homes, surface water, and groundwater, with inevitable impacts on human health.
This issue of Waterlines includes the following four papers, which:
reinforce the message that the problems of faecal sludge management require systematic solutions which pay due attention to technology, economy and demand, business models and business planning, and public policy and institutions.
Adventures in search of the ideal portable pit-emptying machine, p. 187-199
David Still, Mark O’Riordan, Angus McBride, et al.
The importance of understanding the market when designing pit-emptying devices, p. 200-212
Inefficient technology or misperceived demand: the failure of Vacutug-based pit-emptying services in Bangladesh, p. 213-220
Aftab Opel, M. Khairul Bashar
Development of urban septage management models in Indonesia, p. 221-236
Kevin Tayler, Reini Siregar, Budi Darmawan, et al.
View the full list of contents at: practicalaction.metapress.com/content/g66j1n45143m
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Individual articles, except the editorial, are available only to subscribers or as pay-per-view (www.practicalactionpublishing.org/waterlines).